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    [轉(zhuǎn)載]plastic design [復(fù)制鏈接]

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    只看樓主 倒序閱讀 樓主  發(fā)表于: 2008-01-17
    Design Tips for Rapid Injection Molding -NwG' U~  
    As illustrated in figure 1, draft is the angle between the direction of ejection of a part from the mold and the surface of the part. Its traditional function is to facilitate the removal of the part from the mold, but in Protomold’s Rapid Injection Molding process, it also permits deeper geometries to be milled while reducing cost and insuring trouble free molding. Drafts of 1.0 degree and larger may result in lower costs with the Rapid Injection Molding process. 6)^*DJy  
    It is important that textured surfaces have adequate draft to prevent the part from sticking in the mold and to prevent “drag” marks. Protomold requires that lightly textured surfaces (T-1) have a minimum of 3 degrees of draft and that more heavily textured surfaces (T-2) have a minimum of 5 degrees of draft. K:U=Y$ 桓仁| 扎兰屯市| 汉沽区| 肥西县| 张家港市| 集安市| 积石山| 肇州县| 昆明市| 禄劝| 彰武县| 锦屏县| 那坡县| 常宁市| 九龙县| 平南县| 桓台县| 延长县| 柳林县| 建瓯市| 鹰潭市| 龙州县| 仲巴县| 汝州市| 大名县| 渭南市| 新竹市| 大厂| 大英县| 万州区| 凉城县| 阜宁县| 雷山县| 竹溪县| 汤原县| 鸡西市| 咸阳市| 吴忠市| 平定县| 宁海县| 扶沟县|